Scientists initially proposed two possibilities. Either the meteorite entered in an extremely unusual way, or it was moved by ...

Precursors of the molecules needed for the origin of life may have been generated by chemical reactions promoted by iron-rich particles from meteors or volcanic eruptions on Earth approximately 4.4 ...

Somewhere in a remote stretch of forest near Maine's border with Canada, rocks from space crashed to Earth and may be scattered across the ground—just waiting to be picked up. Scientists have ...